import router from './routers'
import store from '@/store'
import Config from '@/settings'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css'// progress bar style
import { getToken,setToken } from '@/utils/auth' // getToken from cookie
import { buildMenus } from '@/api/system/menu'
import { filterAsyncRouter } from '@/store/modules/permission'
import {getTokenByUserKey} from '@/api/login'
import {getCompName} from '@/api/jf/farmBase'

NProgress.configure({ showSpinner: false })// NProgress Configuration

const whiteList = ['/login']// no redirect whitelist

router.beforeEach(async (to, from, next) => {
  if (to.meta.title) {
    await getCompName(to.query.userKey).then(res => {
      if(res.data !== null){
        document.title = to.meta.title + ' - ' + res.data + Config.title
      }else {
        document.title = to.meta.title + ' - ' + Config.title
      }
    }).catch(error => {
      document.title = to.meta.title + ' - ' + Config.title
    })
  }

  NProgress.start()
  //检查URL是否带token
  if (to.query.token) {
    const token = to.query.token
    setToken("Bearer " + token, true);
    next(false)
    next(to.path,)
  } else if (to.query.userKey) {
    await getTokenByUserKey(to.query.userKey).then(res => {
      setToken("Bearer " + res, true);
    })
    next(false)
    next(to.path,)
  } else {
    if (getToken()) {
      let xx = getToken()
      // 已登录且要跳转的页面是登录页
      if (to.path === '/login') {
        next({path: '/'})
        NProgress.done()
      } else {
        if (store.getters.roles.length === 0) { // 判断当前用户是否已拉取完user_info信息
          store.dispatch('GetInfo').then(() => { // 拉取user_info
            // 动态路由，拉取菜单
            loadMenus(next, to)
          }).catch(() => {
            store.dispatch('LogOut').then(() => {
              location.reload() // 为了重新实例化vue-router对象 避免bug
            })
          })
          // 登录时未拉取 菜单，在此处拉取
        } else if (store.getters.loadMenus) {
          // 修改成false，防止死循环
          store.dispatch('updateLoadMenus')
          loadMenus(next, to)
        } else {
          next()
        }
      }
    } else {
      /* has no token*/
      if (whiteList.indexOf(to.path) !== -1) { // 在免登录白名单，直接进入
        next()
      } else {
        next(`/login?redirect=${to.fullPath}`) // 否则全部重定向到登录页
        NProgress.done()
      }
    }
  }


})

export const loadMenus = (next, to) => {
  buildMenus().then(res => {
    const sdata = JSON.parse(JSON.stringify(res))
    const rdata = JSON.parse(JSON.stringify(res))
    const sidebarRoutes = filterAsyncRouter(sdata)
    const rewriteRoutes = filterAsyncRouter(rdata, false, true)
    rewriteRoutes.push({ path: '*', redirect: '/404', hidden: true })

    store.dispatch('GenerateRoutes', rewriteRoutes).then(() => { // 存储路由
      router.addRoutes(rewriteRoutes) // 动态添加可访问路由表
      next({ ...to, replace: true })
    })
    store.dispatch('SetSidebarRouters', sidebarRoutes)
  })
}

router.afterEach(() => {
  NProgress.done() // finish progress bar
})
